Ruby Questions And Answers

Ruby Require VS Load VS Include VS Extend. Here are the differences between Require, Load, Include and Extend methods

http://ionrails.com/2009/09/19/ruby_require-vs-load-vs-include-vs-extend/

http://railstips.org/blog/archives/2009/05/15/include-vs-extend-in-ruby/

What is Procs, Blocks, Lambda ?

http://eli.thegreenplace.net/2006/04/18/understanding-ruby-blocks-procs-and-methods/

http://www.robertsosinski.com/2008/12/21/understanding-ruby-blocks-procs-and-lambdas/

http://railsguru.org/2010/03/learn-ruby-procs-blocks-lambda/

Ruby Metaprogramming 

http://ruby-metaprogramming.rubylearning.com/

http://viewsourcecode.org/why/hacking/seeingMetaclassesClearly.html

Modules vs. Classes

http://www.rootr.net/rubyfaq-8.htmlhttp://stackoverflow.com/questions/2427804/ruby-on-rails-modules-vs-classes

http://dthg.net/blog/index.php/archives/2007/03/13/ruby-classes-vs-modules/